Leoma has worked as a soloist and ensemble member with many professional choirs in both England and Australia including Our Lady of Victories Kensington, The Choir of London, St. Augustine of Canterbury Queensgate, St. James Sussex Gardens, The Choir of Newman College, Old Royal Naval College Chapel Choir, Buxtehude Consort, Vocal Ensemble E21, Palestrina Project, Early Voices of Melbourne, and St. Patrick's Cathedral Singers. Future engagements include performances with Delice Musicali and solo recitals at St. Alfege Church in Greenwich. Leoma has a strong interest in performing unheard works from the late Renaissance and early Baroque and is in the process of recording unheard works by Arcangelo Crotti and others.  Leoma is a founding member of the group Delice Musicale with Sam Goble (cornetto).

This year Leoma has been invited to perform at The Foundling Museum in their Sunday Concert Series as part of the Handel celebrations. She has also performed in numerous lunchtime concerts at St. Alfege Church and been asked to perform with her group, Delice Musicale at The Space in the Isle of Dogs, following their first and very successful concert performance. In 2008 Leoma attended Dartington International Summer School with Evelyn Tubb and Exaudi. Leoma also took part in a performance of Bach’s St. John Passion with Trinity College of Music conducted by Richard Egarr as well as being one of four to take part in the mentorship programme with The Sixteen and Harry Christophers. In 2007 Leoma had the lead role in Trinity College of Music’s performance of John Blow’s Venus and Adonis which was performed as part of the Greenwich Early Music Festival. In 2006 Leoma took part in a Choir of London performance with the Royal Philharmonic Orchestra in John Rutter’s Christmas Celebration.

In Australia Leoma has performed as a soloist with the Choir of Newman College in their concert series since 2002 and also at the Ballarat Organs of the Goldfields Festival in performances of The Play of Herod - a sung medieval play - lead role (2007), Handel’s Dixit Dominus - 2nd soprano soloist (2006), The Three Maries - a sung medieval play - lead role (2005), and Vivaldi’s Marian Vespers - soprano soloist (2004). The Vivaldi and Handel performances were broadcast nationally on radio by ABC Classic FM. In 2007 Leoma performed with Buxtehude Consort as part of the first Past Echoes Autumn Music Festival which was recorded by ABC Classic FM. Leoma also had a lead role in the Past Echoes opera production of Charpentier’s Les Arts Florissants in 2006. In 2005 Leoma performed in a public master class run by Emma Kirkby and sung with Buxtehude Consort for their first concert series.

Leoma has recently completed her Post-Graduate Diploma in the Early Music Faculty at Trinity College of Music, studying with Timothy Travers-Brown and Ashley Stafford. She completed her Bachelor of Music (Honours) under Stepehn Grant at Monash Universtiy and prior to that completed her Bachelor of Music at the University of Melbourne under Merlyn Quaife.